﻿/****************************************************************
 * Copyright (c) 2010-2013 Besture All Rights Reserved.
 * 
 * File Name:		ModelConvertHelper 
 * 
 * Created:		2013-2-1 13:38:53
 * Original Author:	nitao 
 * 
 * ------------------------------------------------------------
 * MODIFICATION HISTORY
 * ------------------------------------------------------------
 * When			Who		Why
 * ------------------------------------------------------------
 * 
 *
 ****************************************************************/

using System;
using System.Collections.Generic;
using System.Data;
using System.Reflection;

namespace Besture.Dal
{
    /// <summary>
    /// 实体转换辅助类
    /// </summary>
    public class ModelConvertHelper<T> where  T : new()
    {
        public static IList<T> ConvertToModelList(DataTable dt)
        {
            // 定义集合
            IList<T> ts = new List<T>();
            // 获得此模型的类型
            Type type = typeof(T);
            string tempName = "";
            foreach (DataRow dr in dt.Rows)
            {
                T t = new T();

                // 获得此模型的公共属性
                PropertyInfo[] propertys = t.GetType().GetProperties();
                foreach (PropertyInfo pi in propertys)
                {
                    tempName = pi.Name;
                    // 检查DataTable是否包含此列
                    if (dt.Columns.Contains(tempName))
                    {
                        // 判断此属性是否有Setter
                        if (!pi.CanWrite) continue;
                        object value = dr[tempName];
                        if (value != DBNull.Value)
                            pi.SetValue(t, value, null);
                    }
                }
                ts.Add(t);
            }
            return ts;
        }
    }
}